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Dual valve springs requiring machining head? #577291 01/09/10 12:08 PM 01/09/10 12:08 PM
Joined: Jan 2003 Posts: 2,280 808CUDA OP top fuel
808CUDA OP top fuel Joined: Jan 2003 Posts: 2,280	Installing a set of dual springs (Comp) would require any special machining on a steel 915 head or do they simply swap out?

Re: Dual valve springs requiring machining head? [Re: 808CUDA] #577292 01/09/10 12:20 PM 01/09/10 12:20 PM
Joined: Jan 2007 Posts: 1,668 Mi,U.S.A. M mike s top fuel
mike s top fuel M Joined: Jan 2007 Posts: 1,668 Mi,U.S.A.	Yes,you must machine the spring seats. Leave the gun.......take the Cannoli's....Mike

Re: Dual valve springs requiring machining head? [Re: mike s] #577293 01/09/10 12:27 PM 01/09/10 12:27 PM
Joined: Jan 2003 Posts: 2,280 808CUDA OP top fuel
808CUDA OP top fuel Joined: Jan 2003 Posts: 2,280	Thanks for the heads up! much appreciated!

Re: Dual valve springs requiring machining head? [Re: 808CUDA] #577294 01/09/10 12:33 PM 01/09/10 12:33 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	my cam used duel springs and a damper and needed machine work i went with a comp single with a damper so they would drop on with stock seals and heads on engine match up the spring rates and run a big single if you want drop ons and stock seals unless you stuck haveing to have them I matched my lunatis with a comp spring within 10 lbs of each other

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